CAST REVIEW

Front

What is a proton?

Back

A positively charged subatomic particle located in the nucleus of an atom.

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is the formula for speed?

Back

Speed = Distance / Time.

Front

What does a spring scale measure?

Back

A spring scale measures the force of gravity on an object, typically in newtons (N).

Front

How do you calculate velocity?

Back

Velocity is calculated by dividing the distance traveled by the time taken, including direction.

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity that refers to how fast an object is moving, while velocity is a vector quantity that includes both speed and direction.

Front

What is an example of a physical change?

Back

Melting ice into water is an example of a physical change.

Front

What is an example of a chemical change?

Back

Rusting of iron is an example of a chemical change.

Front

What unit is used to measure force?

Back

The unit of force is the newton (N).

Front

What is the relationship between distance, speed, and time?

Back

Distance = Speed x Time.